Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
050069moderately pollutedexcellent81excellent
040066moderately pollutedexcellent91excellent
030069moderately pollutedexcellent91excellent
020080moderately pollutedexcellent91excellent
010083moderately pollutedexcellent101excellent
0000102heavily pollutedexcellent101excellent
230089heavily pollutedexcellent101excellent
220072moderately pollutedexcellent111excellent
210065moderately pollutedexcellent111excellent
200063moderately pollutedexcellent91excellent
190054lightly pollutedexcellent81excellent
180041lightly pollutedexcellent71excellent
170033goodexcellent61excellent
160030goodexcellent61excellent
150027goodexcellent51excellent
140021goodexcellent41excellent
130021goodexcellent41excellent
120022goodexcellent41excellent
110018goodexcellent41excellent
100018goodexcellent41excellent
090015goodexcellent31excellent
080015goodexcellent31excellent
070014goodexcellent21excellent
060012excellentexcellent21excellent